Coai Hosting Live In 5 Minutes

Deploy Coai hosting and run a self-hosted AI chat gateway where your team chats with the model providers you choose and your own tools call an OpenAI-style API relay, all behind your domain. xCloud starts the pinned image with private MySQL and Redis, replaces the upstream seed password for the root user with a generated one and publishes it over HTTPS. It bundles no model; you add provider keys.

Deploy your Coai

No terminal
No technical skills needed
No lock-in, cancel anytime

What is Coai?

Coai, also published as Chat Nio and CoAI, is an AI chat platform and API gateway released under the Apache-2.0 licence. Upstream lists multi-model provider support including OpenAI, Anthropic and Gemini, channel management with priority and weight, an OpenAI-compatible API relay, file parsing, conversation sync, subscription and elastic billing, and a backend dashboard for users. Self-hosted Coai is the option for teams that would otherwise rely on a hosted assistant such as ChatGPT.

On xCloud the template runs programzmh/chatnio, the stable image that is GitHub release v4.0.0, with MySQL 8.4 and Redis 7.4 sidecars, all pinned by digest, and five volumes. The root user gets a generated password. Registration stays open until you close it, and the first person to register is not an administrator. Inference runs at the providers you configure, not on the server.

From Sign-Up to a Live Coai Gateway In 3 Steps

A multi-user AI chat and API service normally means a backend, a database, a cache and a certificate before the first login. This is the same result without assembling the stack yourself.

Step 01
Sign Up
Create your xCloud account and pick Coai from the OneClick catalog. Choose a domain — there are no other fields to fill in.
Step 02
We Deploy It For You
One click. We bring up Coai v4.0.0 from its official image, pinned by digest, alongside MySQL 8.4 and Redis 7.4, generate the JWT secret, database and Redis passwords and administrator password, and publish the app over HTTPS on your domain.
Step 03
Sign In And Add A Provider
Save the generated root password from your installation credentials, then sign in at your HTTPS URL. Set Backend Domain in Admin > General Settings and add your first provider channel and API key under Admin > Channels.

Everything Coai Gives Your Team, In One Place

One chat front end, one API endpoint and one admin console, all running on the server you control.

Many Providers, One Front Door
Add OpenAI, Anthropic, Gemini, DeepSeek, OpenRouter, a local Ollama endpoint and more behind one chat UI and one API.
OpenAI-Compatible API
Point existing SDKs and tools at your Coai domain through its chat, image, model and billing endpoints.
Channel Routing
Set channel priority, weighted load balancing, user groups and automatic retry across the providers you connect.
Admin Console
Manage users, subscriptions, per-request or per-token billing, redemption codes and announcements from one place.
Chat For Your Users
Give users conversation sync across devices, sharing, Markdown with LaTeX and Mermaid, and light and dark themes.
Private Storage
Accounts, channels, conversations, uploads and cache persist on named volumes, with MySQL and Redis kept off the public network.

Everything You Need To Run Your Your AI Gateway 24/7

Coai on xCloud, set up for you, with the parts that keep it running kept out of your way.

Coai v4.0.0 deployed for you
Official image pinned by digest
Private MySQL 8.4 and Redis 7.4
Generated administrator password
Free SSL certificate
30+ server locations
Unused balance refunded

What You Can Do With Coai

Offer one chat page for several models
Connect OpenAI, Anthropic and Gemini channels and let your team pick a model in one interface, instead of juggling separate accounts.
Relay API calls through one gateway
Give your apps an OpenAI-style endpoint on your own domain and let Coai route requests to channels by priority and weight.
Charge for access to AI models
Use subscription or elastic billing, gift codes and redemption codes, as upstream lists, to run a paid AI service for your customers.
Keep chat history on your server
Conversations, attachments and accounts sit in MySQL and volumes on your Cloud VPS, with conversation sync across the user's devices.

Coai vs Alternatives

ChatGPT: If your team chats in ChatGPT today, Coai is the self-hosted gateway: you connect the providers you pay for, and conversations and accounts live in MySQL on your own Cloud VPS.
One API: One API has no OneClick page here. Upstream positions Coai as combining a chat interface with an API relay, so one deployment serves both people and applications.
LibreChat: LibreChat has its own xCloud page and is another multi-provider chat interface. Coai pairs its chat interface with an OpenAI-style relay and the billing features upstream lists; compare the services each template runs.
Open WebUI: Open WebUI has its own xCloud page. Compare the two templates for supported providers, user management and sizing before choosing a self-hosted AI chat.

Simple Pricing. Everything Included.

Dedicated Cloud VPS sizes, pre-configured for Coai. Pick the one that fits, and resize any time.

Cloud VPS 6 GB

Cloud VPS 16 GB

More users, more channels and heavier API traffic.

$59.99per month

16 GB RAM
6 vCPU cores
200 GB NVMe SSD
30 TB
Unlimited

Get started

Cloud VPS 24 GB

Coai alongside other self-hosted apps on the same box.

$84.99per month

24 GB RAM
8 vCPU cores
300 GB NVMe SSD
30 TB
Unlimited

Get started

Every size is a dedicated Cloud VPS. Billed monthly with no lock-in. Coai itself is free under the Apache License 2.0; you pay your own model providers for inference.

Docker hosting

Already Have a Server? Bring Your Own

Connect any VPS and deploy Coai on it through the same panel, for a per-server management fee instead of a Cloud VPS rental.

Free

Start your journey without cost.

$0forever

1 server
10 sites

Start free

Starter

Professional

The same platform, discounted at 6–10 servers.

$4per server / month

6–10 servers
Unlimited sites
All features included
Bring any VPS provider

Get started

Agency

The same platform, discounted at 11+ servers.

$3per server / month

11+ servers
Unlimited sites
All features included
Bring any VPS provider

Get started

Priced per connected server. You pay your own provider for the server itself.

Self-managed hosting

Ready To Run Your Own AI Gateway?

Coai on xCloud runs on a dedicated Cloud VPS. We provision the server and set up the stack. You keep your provider keys, users and data.

Fast Provisioning
Deploy faster using an xCloud Managed Server built with optimized stacks and high-speed SSDs.
Enterprise-grade security
Protect your infrastructure with a free SSL certificate and more advanced security features at no additional cost.
Intuitive Control Panel
From Server creation to application deployment, everything can be managed from our intuitive control panel.

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Frequently Asked Questions

Feel free to contact us with any questions or concerns you may have.

What is Coai used for?

Coai is used to give a team or customers one place to chat with several AI models, and to relay API calls to them. You add model providers as channels, set prices or quotas, and users chat in the browser or call an OpenAI-style API. An admin console manages users, billing and settings.

Is Coai free and open source?

Yes. Coai is open source under the Apache-2.0 licence, which upstream describes as friendly to commercial development and distribution if you follow its terms. Upstream also sells a separate business edition, which this template does not include. xCloud bills for the Cloud VPS and the deployment; model providers bill you for usage.

Can you self-host Coai with Docker?

Yes. For Coai Docker hosting the template runs the programzmh/chatnio stable image, MySQL 8.4 and Redis 7.4, all pinned by digest, with five named volumes and HTTPS on your domain. It generates the JWT secret, the database and Redis passwords and the administrator password, so you do not write a compose file.

How much RAM does Coai need?

Coai's manifest floor is 1024 MB of RAM, one core and 10 GB of disk, for the app plus MySQL and Redis. Model inference runs at the providers you configure, not on your server. The 6 GB tier on this page leaves room as stored attachments, conversations and database growth increase memory and disk use.

Which model providers does Coai support?

Upstream lists multi-model support including OpenAI, Anthropic, Gemini and Midjourney, plus more than ten compatible formats and private model support. You add provider keys inside the app as channels. The template bundles no model and no keys, so nothing works until you configure at least one provider.

Does Coai include a language model?

No. Coai is a gateway and chat interface. It forwards requests to the providers you configure, such as OpenAI or Anthropic, using your own API keys, and you pay those providers for usage. File parsing and OCR send non-text uploads to the upstream-hosted blob service unless you set your own parsing service URL.

How do I log in to Coai?

Open your HTTPS address and sign in as root with the generated administrator password on your credentials card. The install replaces the upstream seed password after the app is reachable. Then set Backend Domain to your HTTPS address plus /api in the admin general settings, because it is empty by default.

Can anyone register on Coai?

Yes, until you close registration. The /register page stays open by default, and the first person who registers is not an administrator. Close registration from the admin settings, the close_register option, if you do not want extra accounts. Leave SMTP unset until you can fill host, username, password and from together.

How do I back up Coai?

Back up the five volumes together while the stack is stopped or after a consistent MySQL dump: coai_mysql holds accounts, channels and conversations, coai_config holds config.yaml, coai_storage holds attachments, coai_logs holds logs and coai_redis holds cache. Keep the SECRET with the backup and restore with the same image.

Backups in xCloud

How do I upgrade Coai?

The stable image is fixed by digest, so existing installs stay on the images and compose they were created with. Back up every volume, read the upstream release notes, and select a later template version, which changes the digests. Afterwards confirm sign-in and send a test chat to a configured provider.

Can I run Coai in the cloud on xCloud?

Yes. Coai cloud use puts the app, MySQL and Redis on a dedicated Cloud VPS with your domain and certificate attached. A box you rent elsewhere can be attached as a self-managed server with this template.

Can I cancel anytime?

Yes. There is no lock-in — cancel any time. Hosting is billed monthly and charged for what you actually use, so when you delete the server the unused balance is refunded to your account, less up to 10% in payment-processing fees.